first lady michele obama told the comp convention last -- the convention last night that being president reveals who you are. >> reporter: former president bill clinton takes the stage tonight to pick up where first lady michele obama left off. delegates are revved up and ready for more. >> he's bill clinton. it's like madonna. there's this aura about him. >> reporter: he remains immensely influential in the party and is expected to target democrats who have struggled the last four years and may be on the defense about reelecting president obama. >> he will lay out a little bit of history with regard to this president, and he's going to affirm he's on the right path. >> reporter: president obama had been scheduled to deliver his acceptance speech to 74,000 people at annual outdoor stadium thursday night, but because of the threat of severe weather, convention planners decided this morning the president will speak here. democrats packed the hall last night for the first lady's speech. >> i have seen firsthand that being president doesn't change who you are. no, it reveals who yo